Scientific Method CFA

Which of these are in the right order?

• Ask a question, form a hypothesis, experiment, analyze data, make a conclusion

• Form a hypothesis, ask a question, analyze data, experiment, make a conclusion

• Ask a question, form a hypothesis, make a conclusion, experiment, analyze data

• Perform an experiment, ask a question, form a hypothesis, make a conclusion

Tags

6-8.AF.1.1

The factor that is tested or changed in an experiment

• independent variable

• dependent variable

• control variable

• constant variables

Tags

6-8.AF.1.1

The factor that is measured or observed in an experiment

• independent variable

• dependent variable

• control variable

• constant variables

Tags

6-8.AF.1.1

Which of the following is a correctly written hypothesis.

• The man developed skin cancer because he was in the sun too long.

• When you read small print, then your eyes will hurt.

• If calcium is taken, then bone strength will increase because bones store calcium.

• Because acid rain is pollution, then fish populations will decrease, if the acid rain is in the fishes' water.

Tags

6-8.AH.4.4

A study was done to determine how tire tread effected the breaking distance of a car. What is the independent variable?

• Breaking distance

• Tire tread

Tags

6-8.AF.1.1

A study was done to determine how tire tread effected the breaking distance of a car. What is the dependent variable?

• Breaking distance

• Tire tread

Tags

6-8.AF.1.1

I am trying to determine which fertilizer brand will help my grass grow the tallest. I have three (3) different types that I want to test to find out which one is the best. What is the control variable?

• The grass section with the most water

• The grass section with no fertilizer on it

• The grass section with the most sunlight

• The grass sections with the fertilizers

Tags

6-8.AF.1.1

I am trying to determine which fertilizer brand will help my grass grow the tallest. I have three (3) different types that I want to test to find out which one is the best. What is the independent variable?

• The grass section with the most water

• The grass section with no fertilizer on it

• The grass section with the most sunlight

• The grass sections with the fertilizers

Tags

6-8.AF.1.1

I am trying to determine which fertilizer brand will help my grass grow the tallest. I have three (3) different types that I want to test to find out which one is the best. What is the dependent variable?

• the amount water

• the height of the grass

• the amount of sunlight

• the type of grass

Tags

6-8.AF.1.1

To be a good or valid experiment, how many variables should be tested at a time?

• 1

• 2

• 3

• 4

Tags

6-8.AF.1.1